Gas-lamp.



(mm @wl m No. 813,487. PATENTED FEB. 27, 1906. R. M. DIXON. GAS LAMP.

APPLICATION FILED MAYB, 1905.

37 26 J2 I2 36 g z i 22 5 i i I 23 3s 1s a 3a 25 34 28 6 29 l5 \l umArron/ er Judi-813,487,

UNIrED STATES PATENT OFFICE.

'-.- SAFETY CAR HEATING &

NEW JERSEY.

' Specification of Letters Patent. I Application filed May 6,1905..Serial No. 259,156.

LIGHTING COMPANY, A CORPORATI ON GAS-LAMP.

- Patented Feb. 27,1906.

"To allfwho'fit it may concern." a

Be it known that-I, ROBERT M. DIXON residing'at East Orange, in thecounty of Essex andState of New Jersey, have invented certain new anduseful Improvements in Gas Lamps, of which the following is af'ull,.clear,

siuzld'exact description, such as'will enable others skilled'in the artto which it-appertains to make and use the same.

- like, and is especially adapted for use in corinection withcar-lighting systems, although capablelofuse .asto various features in avariety of relations; One of the objects-theme;

of is to provide a practical device of this type wherein agas-regulating cock may be easily and readily returned and secured inits proper .position after being removed for cleaning, re-

, pairing, or renewal.

Another object is to provide a detachable 'inspir ator-nozzle and screenfor a gas-regulating cock so constructed as to be'removable with saidcock and easily detached therefrom when it is found necessary to clean,re-

pair, or renew the same. v

Another object is'to so construct a lamp that the gas and air employedfor purposes ofcombustionare-thorou hly mixed be oreentering theburning-nozzle.

Other objects will be in art obvious and in part pointed out hereinater.

The invention accordingly consists in the features of construction,combinations of elements, and arrangement of parts, which will beexemplified in the device hereinafter de scribed and the scope oftheapplication of which will be indicated in the following claims.

The accompanying drawing represents a vertical sectional view of one ofvariouspossible embodiments of my invention.

As tending to render better understood certain features of my invention,it may here be noted that I have illustrated a type of lamp in which anincandescent mantle is employed, and in such lamp it is desirable thatthe various operativeparts; be as readily detachable' as possible inorder that the mantle may not -be disturbed or in'ured. In thisconnection it may be noted t t in lamps of the above type the detachingand removin of the various parts must be performed Wit the greatest carein order to avoid injury to the fragile mantle, and as itisimpracticable This invention relates to gas larnps and the U shapedmouth 20.

to employ skilled labor to perform this work damage to the'mantle islikely tov result from the jarring or shock incident to theaccomplishment of-the above pur os'es; For this reason I have found itdesi'ra Is that the gasregulating means he so constructed as to be whencleaning, repairing, or renewal of any of the parts is necessary andthat the assembling of said parts" to their proper positions may beaccomplished 'without the aid of a skilled workman. Lampsfof this typeconsume in their operation a mixture'of-gas and ":fiilf, audit-is alsodesirable that the mixture be as complete as possiblebefore the samereaches the burner-nozzle.

Referring to the. drawing, thebody l of the "6oreadily removed from thebodyof the lamp lamp A, has mounted thereon and attached by suitablemeans, as the screws 2, a support ing member 3, prpvidedwith air-inletopenings 4 and?downwardly-projecting flange 5,

to which issecuredby suitable means, as in:

this instance set-screws 6, a translucent dome 7 A mixing-chamber 8 ofsubstantial size 7 is provided in the body of the lamp and is adapted todeliver a mixture of gas and air into-a burner-nozzle 9, leading'fromthesaid mixing-chamber 8, and at the lower end of which is secured a mantle10. By the term 1 burner-nozzle as herein used in the-s ecification andclaims I mean that part 0 the device at which combustion takes place,-

annular shell 11 is positioned between the I supporting member 3 and thelamp-body 1 and is adapted to-guide the products of com' bustion intothe vent-o enings 12 (shown. dotted lines) in the be arranged gas-supplycon uits 9 y 1 of the lamp,' 'said"- products being conductedtherethrough and thence put of said lamp to the atm'osphere, passinunder a deflector 1'3, suitably secured IOO exterior'thereof ashield-19, having a bell-' This shield extends over the air-inletaperture 18 and isada'pted to conduct air thereto, being held inadjustmenton said'miXing-tube by means of the lockgaged by a flange37.011 the cap 24:.

Positioned on an eXternally-threaded extension 22- of the fixture 14:and engaging the wall thereof is a sleeve 23, externally threaded at oneend, the opposite end being threaded internally for engaging thethreaded ex,

tension 22, and having mounted thereon a flanged cap 24, said cap whenthe parts are in their proper position being adapted to be pen manentlysecured to said sleeve means of a pin 25.

A gas-regulating cook 26, provided with openings 27 and 28, extends intothe mixing tube 17 and is adapted to be o 'ierated by means of a handle29, attached to a shaft 30, extending from said gas-regulating cock. Theopenin 27 is adapted to register with conduit 15 of the fixture l4, and.the. opening 28 leads into a detachable inspiratonnozzle 31', threadedinto the end oi the gas-regulating cook 26 and arranged adjacent theair-inlet aperture 18 of the mixing-tube 1.7. The inspirator-nozzle isprovided with a gaaexit aperture 32 and a screen 33, adapted to separateforeign matter from the gas passing therethrou'gh. By the terminspiratornozzle as herein used in this specification and claims I meanthat part of the device adapted to project a jet of gas across an airinlet aperture, thereby drawing in a proper proportion of air byinspiration to be mixed. with said gas for the purposes of combustion.The spring 34 encircles theshai't 30 and engages at one end the shoulder35 of the gas supply cock and at the other end. a split ring 36, locatedon said shaft, which in turn is en- The split ring 36 hasm slidingengagement with the shaft 30, but is compelled to turn therewith bymeansol the stud 38, extending from said shaft and engaging the lips ofsaid ring.-

A set-screw 39, threaded through the sleeve and engaging the extension22, maintains the parts in the operative position, shown in the drawingIt will thus be seen that in making the initial adjustment of thegas-sup ply cook 26, the sleeve 23 having been adjusted to the positionshown and secured bythe set-screw 39, all that is required to be done isto adjust the flanged cap 24 on the sleeve 23 to bring the spring 34under the required tension to maintain said gas-supply cock in itsproper position and then insert the pin 25 to permanently secure the cap24 thereon. This may be done by a skilled workman at the factory. Whenthereafter the parts are to be positioned by a porteror other ordinaryworkman in charge of the lamps, such work may be accomplished by simplyscrewing the parts together until the sleeve 23 abuts the wall of thefixture 14 in the position shown.

It is desirable to form a trap in connection with the as-supply conduitwhich shall act to trap the foreign matter carried thereby.

This may be conveniently and eli'ectually acsr erase? complished, as inthe construction shown, by extending the end 01' the conduit through thefixture 1e, and closing the end thereof by a set-screw 40. Thus a trap"is formed in a simple and convenient manner which may be emitted bysaidlamp, I desire it to be understood that I make no claim in thisapplieation to such feature of construction.

Having described my invention, its operation should be obvious; Thegas-regulating means can be readily detached by simply unscrewing theset-screw 39, allowing the removal of saidmeans in its entirety. The.

tension of the spring employed to automatically maintain the 'as supplycock in adjustment being'once stant as long as the sleeve 23-engages twalls of the fixture 14=. sion of a mixing-chamber of substantial sizeand one into which the gas and air enter in a direction at an angleto'or out of alinement with the burner-nozzle there is insured a morecomplete mixture and a steady stream at the burneFnozzle, resulting in amore thorough combustion.

It will therefore be seen that I have devised a lamp characterized bysimplicity of construction and at the same time one in which thepartscan be quickly and easily detached or assembled without disturbingthe lamp itself, thus reducing to a minimum the likelihood of injury tothe mantle. Obvion sly, however, various features of the invention maybe usedin a variety of relations with various types of lamps.

As many changes could be made in the above construction and manyapparently widely difierent embodiments of my invention could be madewithout departing from the scope thereof, I intend that all mattercontained in the above description or shown in the'accompanying drawingshall be interpreted as illustrative and not ina limiting sense,

Havin described in r invention what l Through the pIOVl eterminedremains 00 2. In a gas-lamp, in combination, an adjustable gas-supplycock, an inspira'tor-nezzle carried thereby, and a screen carried by theinspirator-nozzle.

3. in a device of the class described, in combination, a mixing-tube, agas-supply (rock, an ins hater-nozzle, carried there-l een carried theinspire.tor-nozzle means for adjusting the gas-supply cock in themixing-tube. f

4. In a device of the class described, in combination, a mixing-tube, agas-supply cock, a shaft extendin from said gas-supply cock, and'meanson t e shaft foradjustlng the gassupply cockin the mixing-tube.

5. In a device of the class described, in combination, a gas-supplycock,a shaft ex-. tending therefrom, said gas-supply cock being providedwith. a shoulder, a spring located upon the shaft, a collar also locatedupon the shaft and fixed against rotation,

and means coacting with the collar upon the spring to regulate thetension of the same to hold the gas-supply cock in adjustment.

6. In a device of the class described, in-

supply for the lamp, means located in thefixture' for regulating thegas-supply, an extension on the fixture, the extension, and a capcarried by the sleeve andadapted to maintain the gas-regulating means'onthe fixture.

8. In adevice of the class described, in

combination,.a lamp-body, an incandescent mantle arranged therein, afixture secured to the lamp-body and adapted to provide a gassupply tothe lamp, means located in the fixture for .regulating the gas-supply,an extension on the fixture, a sleeve mounted upon the extension, a capadjusted upon the sleeve and maintaining the gas-regulating means in theadjusted position.

9. In a device of the class described, in combinatioma lamp-body, anincandescent mantle arranged therein, a fixture secured to the lampbodyand adapted to provide a gassupply to the lamp, means :located in thefixture for regulating the gas-supply, an extension on the fixture, asleeve mounted upon the extension, a cap carried by the sleeve andadapted to be initially adjusted thereto to determine the adjustment ofthe gas-regulating means, and means for permanently securing' the cap tothe sleeve. w

10. In a device of the class described,'in

combination, a lamp-body, an incandescent mantle arranged thereon, afixture secured to the lamp-body and adapted to provide a gassupply tothe lamp, means located in the fixture for regulating the gas-supply, anextcnsion on the fixture, a shaft carried by the a sleeve located upon"gas-regulatingmeans, a collar slida'bly mounted upon said shaft, andmeans carried by the extension actin uponthe collar located upon theshaft for holding said gas-regulating means in adjustment in thefixture.

combination, a lamp-body, an incandescent mantle arranged therein, afixture secured to the lamp and adapted to provide a gas-supply to thelamp, means located in the fixture for regulating said gas-su ply, ashaft extending from said gas supp ying means, a collar-Gncircling saidshaft, a spring also encircling said shaft, and means on the fixture andoperating upon the spring through said collar to regulate thetensionthereof to mainin the fixture.

12. In a device of. the class described, in combination, a lamp-body, anincandescent mantle arranged therein, a fixture secured to the lamp-bodyand adapted to supply gas to the" lamp, means located in the fixture forregulating said gas-supply, a shaft extending from the gas-regulatingmeans, a spring encircling said shaft, a split ring also encircling saidshaftand adapted to slide thereon and engage the spring, and meanscarried by the fixture and coacting With said split ring to maintain thegas-regulating means in adjust-' meat in the fixture. 13,111 a' deviceof the class described, in combination, a lamp-body, an incandescentmantle arranged therein, a fixture secured to the lamp and adapted. tosupply gas to the lamp, meanslocated-in the fixture for regulating saidgas-supply, ashaft extending from said gas-regulating means, a springand a ring the fixture, and means mounted upon the extaining thegiseregulating means in adjustment in the ture.

combination, a lamp-body, an incandescent mantle arranged therein, afixture secured to the lamp-body and adapted to provide a gassuppl forthe lamp, means located in the fixture or regulating said gas-supply, ashaft' extending from the gas-regulating means, aspring and a split ringencircling said shaft,

anextension on the fixture, a cap carried by justed' thereon to regulatethe-tension of the spring through the medium of said split ring latingmeans, andmeans for permanently. se- 'curing said cap to said sleeve.

15. In a device of the class-described, in combination, a lamp-body, anincandescent mantle arranged therein, a fixture secured to the lamp-bodyand adapted to provide a gassupply to the lamp, means located in thefixture for regulating said gassupply, a shaft 14. In a device of theclass described,in

11. In. a device of the class described, in v tam the gas-regulatingmeans in adjustment encircling said shaft, an extension carried by Itension and c oacting with the ring to regulate the tension of thespring, thereby mainthe extension and adapted to be initially adtodetermine the adjustment of the gas-regu- AIL extending from thegas-regulating means, a

spring and a split ring encircling said shaft, an extension on thefixture, a sleeve mounted upon the extension, a cap carried by thesleeve and adapted to be initially adjust ed thereon to determine thetension of the spring, thereby maintaining the gas-regulating means inadjustment, means for perma- 'nently securing said cap to said sleeveafter such initial adjustment, and means carried by the sleeve engagingthe extension for securing all the parts in permanent adjust ment.

16. In a device of the class described, in combination, a lamp-body, amantle secured therein, gas-regulating means carried by the lamp-body, adetachable nozzle carried by the gas-regulating means and a screencarried by the detachable nozzle.

v 17. In ,a device of the class described, in combination, a lamp-body,a mantle secured therein, a fixture carried by the lamp-body and adaptedto provide a gas-supply to the lamp, gas-regulating means located in thefixture, a detachable inspirator-nozzle carried by the gas-regulatingmeans, a screen- .carried by the ins'pirator-nozzle, and means carriedby the fixture for maintaining the ranged therein, afixture secured tothe lampbody and adapted to provide a gas-supply tofrom thefixture. 1

I 19. In a device of the class described in combination, a-lamp-body, afixture detachably connected thereto and adapted to con duct gas thereinsaid" fixture being provided with a-gas-conducting conduit extendingtherefrom and being A also provided with a second conduit interceptingthe first-mentioned conduit above the'lower pd thereof to form a trapthereby in the i'cwer end of said first-mentioned conduit adaptedtocollect foreign matter from the gasbefore the same enters the'lamp-body,a gas regulating cock arranged at the intersection of said c nduits, anda detachable plug for clos ng he trap whereby the same maybe cleanedwithout disturbing the other parts of'the fixture.

In testimony where'ofl aflix in signature in the presence of twoWitnesses-1 j ROBERT M.

DIXON: Witnesses: i

' ,ELMER E. ALLBEE,

F. P. WARFIELD.

